<template>
  <div class="app-container">

    <upload-excel-component
      :on-success="handleSuccess"
      :before-upload="beforeUpload"
    />

  </div>
</template>

<script>
import UploadExcelComponent from '@/components/UploadExcel/index.vue'
import { formatExcelDate } from '@/utils/index.js'
import { importEmployee } from '@/api/employees'
export default {
  name: 'UploadExcel',
  components: { UploadExcelComponent },
  data() {
    return {
      tableData: [],
      tableHeader: []
    }
  },
  methods: {
    beforeUpload(file) {
      const isLt1M = file.size / 1024 / 1024 < 1
      if (isLt1M) {
        return true
      }
      this.$message({
        message: 'Please do not upload files larger than 1m in size.',
        type: 'warning'
      })
      return false
    },
    async doImport(data) {
        try {
          const res = await importEmployee(data)
          console.log('importEmployee', res)
          this.$message.success('导入成功')

          // 页面后退
          this.$router.back()
        } catch (err) {
          console.log('importEmployee', err)
          this.$message.error('导入失败')
        }
      },
      //  1. 把数据从excel文件读入到浏览器内存
      handleSuccess({ header, results }) {
        console.log(header, results)

        // 2. 按接口要求 组装数据
        const data = this.transExcel(results)
        console.log('按接口要求 组装数据', data)
        // 3. 调用接口做上传
        this.doImport(data)
      },
    // 更新格式转换函数
    transExcel(results) {
          const mapInfo = {
            '入职日期': 'timeOfEntry',
            '手机号': 'mobile',
            '姓名': 'username',
            '转正日期': 'correctionTime',
            '工号': 'workNumber',
            '部门': 'departmentName',
            '聘用形式': 'formOfEmployment'
          }
          return results.map(zhObj => {
            const enObj = {}
            const zhKeys = Object.keys(zhObj) // ['姓名', '手机号']

            zhKeys.forEach(zhKey => {
              const enKey = mapInfo[zhKey]
              if (enKey === 'timeOfEntry' || enKey === 'correctionTime') {
                // 后端需要的日期格式是标准时间
                enObj[enKey] = new Date(formatExcelDate(zhObj[zhKey]))
              } else {
                enObj[enKey] = zhObj[zhKey]
              }
            })

            return enObj
        })
     }
  }
}
</script>
